1/* Descriptors */
2#ifndef Py_DESCROBJECT_H
3#define Py_DESCROBJECT_H
4#ifdef __cplusplus
5extern "C" {
6#endif
7
8typedef PyObject *(*getter)(PyObject *, void *);
9typedef int (*setter)(PyObject *, PyObject *, void *);
10
11typedef struct PyGetSetDef {
12    char *name;
13    getter get;
14    setter set;
15    char *doc;
16    void *closure;
17} PyGetSetDef;
18
19typedef PyObject *(*wrapperfunc)(PyObject *self, PyObject *args,
20                                 void *wrapped);
21
22typedef PyObject *(*wrapperfunc_kwds)(PyObject *self, PyObject *args,
23                                      void *wrapped, PyObject *kwds);
24
25struct wrapperbase {
26    char *name;
27    int offset;
28    void *function;
29    wrapperfunc wrapper;
30    char *doc;
31    int flags;
32    PyObject *name_strobj;
33};
34
35/* Flags for above struct */
36#define PyWrapperFlag_KEYWORDS 1 /* wrapper function takes keyword args */
37
38/* Various kinds of descriptor objects */
39
40#define PyDescr_COMMON \
41    PyObject_HEAD \
42    PyTypeObject *d_type; \
43    PyObject *d_name
44
45typedef struct {
46    PyDescr_COMMON;
47} PyDescrObject;
48
49typedef struct {
50    PyDescr_COMMON;
51    PyMethodDef *d_method;
52} PyMethodDescrObject;
53
54typedef struct {
55    PyDescr_COMMON;
56    struct PyMemberDef *d_member;
57} PyMemberDescrObject;
58
59typedef struct {
60    PyDescr_COMMON;
61    PyGetSetDef *d_getset;
62} PyGetSetDescrObject;
63
64typedef struct {
65    PyDescr_COMMON;
66    struct wrapperbase *d_base;
67    void *d_wrapped; /* This can be any function pointer */
68} PyWrapperDescrObject;
69
70PyAPI_DATA(PyTypeObject) PyWrapperDescr_Type;
71PyAPI_DATA(PyTypeObject) PyDictProxy_Type;
72PyAPI_DATA(PyTypeObject) PyGetSetDescr_Type;
73PyAPI_DATA(PyTypeObject) PyMemberDescr_Type;
74
75PyAPI_FUNC(PyObject *) PyDescr_NewMethod(PyTypeObject *, PyMethodDef *);
76PyAPI_FUNC(PyObject *) PyDescr_NewClassMethod(PyTypeObject *, PyMethodDef *);
77PyAPI_FUNC(PyObject *) PyDescr_NewMember(PyTypeObject *,
78                                               struct PyMemberDef *);
79PyAPI_FUNC(PyObject *) PyDescr_NewGetSet(PyTypeObject *,
80                                               struct PyGetSetDef *);
81PyAPI_FUNC(PyObject *) PyDescr_NewWrapper(PyTypeObject *,
82                                                struct wrapperbase *, void *);
83#define PyDescr_IsData(d) (Py_TYPE(d)->tp_descr_set != NULL)
84
85PyAPI_FUNC(PyObject *) PyDictProxy_New(PyObject *);
86PyAPI_FUNC(PyObject *) PyWrapper_New(PyObject *, PyObject *);
87
88
89PyAPI_DATA(PyTypeObject) PyProperty_Type;
90#ifdef __cplusplus
91}
92#endif
93#endif /* !Py_DESCROBJECT_H */
94
95